1. Her voice is _____ than her sister's A. beautiful B. more beautiful C. beautifully D. more beautiful 2. Her literature result is much____________ than it was last year. A.good B. well C. more well D. better 3.Cinderrella danced ____________ than any other girls at the ball. A. more graceful B. graceful C. gracefully D. more gracefully 4. Deana is the _______ of the three sisters A. most short B. shorter C. shortest D. more short 5.Chemistry is ____ than physics. A. easy B. easily C. easier D. more easily 6. Of the three shirts, this one is the_____. A. prettier B. most prettiest C. prettiest D. most pretty 7. Nam is bad at art but Minh is even ________. A. badder B. bad C. worse D. worser 8. Lan is her______ sister. A, old B. elderly C. elder D. oldly 9, The baby's illness is______ than we thought at first. A. bad B. worst C. worse D. badly 10. The country is ______ than the city. A. quieter B. more quiet C. more quietly D. quietlier 11. today is the _______ day of the month. A. hot B. hotter C. hottest than D. hottest 12. This hotel must be _______ than the small one next door. A. expensive B. more expensive C. the most expensive D. the more expensive 13. He works more ______ than I. A. slow B. slowly C. most slowly D. slowest 14. My book is as__________ as yours A. good B. well C. better D. the best